Size guide (inches)
| Measure | 56 | 62 | 68 | 74 | 80 | 86 | 92 |
| Age | 1-2 mo | 3-4 mo | 5-6 mo | 7-9 mo | 10-14 mo | 15-24 mo | 2-3 y |
| Total length (A) | 22.00 | 22.75 | 23.50 | 24.25 | 26.75 | 29.50 | 31.25 |
| Chest (B) | 23.50 | 25.00 | 25.75 | 26.75 | 26.75 | 28.25 | 29.00 |
| Seat (C) | 24.25 | 25.50 | 26.75 | 27.50 | 27.50 | 29.00 | 30.50 |
| Inside leg (D) | 7.00 | 7.00 | 7.75 | 8.50 | 9.00 | 10.00 | 11.75 |
| Sleeve length (E) | 11.75 | 11.75 | 12.75 | 14.00 | 15.25 | 16.00 | 16.50 |
| Measure | 98 | 104 | 110 | 116 | 122 | 128 |
| Age | 3-4 y | 4-5 y | 5-6 y | 6 y | 6-7 y | 7-8 y |
| Total length (A) | 33.25 | 35.25 | 37.25 | 39.25 | 43.25 | 45.50 |
| Chest (B) | 29.75 | 30.50 | 31.25 | 32.25 | 33.00 | 33.00 |
| Seat (C) | 30.50 | 30.50 | 31.25 | 33.00 | 33.00 | 33.75 |
| Inside leg (D) | 13.25 | 14.50 | 15.50 | 16.75 | 19.50 | 20.25 |
| Sleeve length (E) | 17.25 | 18.00 | 18.75 | 19.50 | 20.25 | 21.25 |
| Measure | 134 | 140 | 146 | 152 | 158 | 164 | 170 |
| Age | 9-10 y | 11 y | 12 y | 12-13 y | 13-14 y | 14-15 y | 15-16 y |
| Total length (A) | 48.00 | 50.25 | 52.75 | 55.00 | 57.25 | 59.75 | 62.00 |
| Chest (B) | 33.25 | 33.75 | 33.75 | 34.25 | 34.50 | 34.50 | 35.25 |
| Seat (C) | 33.75 | 34.50 | 34.50 | 35.25 | 35.25 | 36.00 | 36.00 |
| Inside leg (D) | 21.25 | 21.25 | 22.75 | 22.75 | 23.50 | 24.25 | 25.00 |
| Sleeve length (E) | 21.25 | 21.25 | 22.00 | 22.00 | 22.75 | 22.75 | 22.75 |
